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Thread: geometry triangle's angles

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  1. 10-10-2013, 11:28 AM #1
    Jack
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    geometry triangle's angles

    In the figure below what is the value of given that

    Click image for larger version.  Name: 1.png  Views: 3  Size: 5.2 KB  ID: 44

    Figure not drawn to scale

    (A)

    (B)

    (C)

    (D)

    Thanks
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  2. 10-10-2013, 11:32 AM #2
    miranda
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    The sum of angles in a triangle is always

    So, (1)

    (2)

    Solving the simultaneous equations (1), (2)



    Therefore the correct answer is (D).
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  3. 10-10-2013, 11:33 AM #3
    Jack
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    thanks for your response!
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